Dental handpiece



FIG. 1 is a perspective view of a dental handpiece showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevation thereof;

FIG. 5 is an elevation as seen from the right of FIG. 4; and

FIG. 6 is an elevation as seen from the left of FIG. 4. 

The ornamental design of a dental handpiece, substantially as shown. 